Tow hook nut with high safety performance

Abstract

The utility model discloses a tow hook nut with high safety performance, which comprises a nut body, a pushing assembly, a fixing assembly and a rotating assembly, the bottom of the nut body is provided with a connecting thread, the pushing assembly comprises a pushing plate inserted and connected in the connecting thread, the bottom of the pushing plate is provided with a connecting rod, and the bottom of the connecting rod is provided with a pushing piece. The pushing piece is used for pushing the connecting rod. The fixing assembly is arranged at the bottom of the nut body. Through the design of the pushing plate, the connecting rod, the pushing piece, the fixing assembly and the rotating assembly, when the nut is used, after an object is inserted into the nut and threads on the object are meshed with connecting threads on the nut body, the pushing plate is driven by the pushing piece to push towards one side of the object, and therefore the object can be conveniently fixed. Therefore, the pressure at the connecting position of the two threads is increased, the friction force between the two threads is increased, and the situation that the nut body is separated from an object is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut technical field, especially a high safety performance's trailer hook nut. BACKGROUND

[0002] The trailer hook is a metal traction device installed at the front and rear ends of a vehicle, mainly used for vehicle towing, rescue or towing other equipment.

[0003] The conventional trailer hook adopts a threaded connection fixing mode. When the trailer hook is fastened on the vehicle mounting seat through threads, the multi-dimensional vibration generated by the vehicle passing through a bumpy section will cause the threaded pair to gradually loosen, thereby causing the trailer hook to separate from the vehicle due to loosening after a long bumpy ride. Therefore, the present scheme proposes a high safety performance trailer hook nut to solve the above problems. SUMMARY

[0004] The utility model aims at providing a high safety performance trailer hook nut to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high safety performance trailer hook nut, comprising:

[0006] The nut body is provided with a connecting thread at the bottom;

[0007] The pushing assembly comprises a pushing plate connected inside the connecting thread, the bottom of the pushing plate is provided with a connecting rod, the bottom of the connecting rod is provided with a pushing piece, and the pushing piece is used to push the connecting rod;

[0008] The fixing assembly is arranged at the bottom of the nut body, and the fixing assembly is used to fix the position of the pushing piece

[0009] The rotating assembly is arranged at the connection between the pushing plate and the connecting rod.

[0010] Preferably, the top of the nut body is provided with a guide hole, and the top of the nut body is provided with a connecting ring.

[0011] Preferably, the pushing piece comprises a connecting seat fixedly connected to the bottom end of the connecting rod, and the bottom end of the connecting seat is fixedly connected with an elastic block.

[0012] Preferably, the fixing assembly comprises a fixing box arranged at the bottom of the nut body, the elastic block is fixedly connected to the inner wall at the bottom end of the fixing box, and the connecting seat is provided with a limiting piece at the connection with the fixing box.

[0013] Preferably, the bottom end of the nut body is fixedly connected with a threaded column, the top end of the fixed box is fixedly connected with a threaded cylinder, and the threaded cylinder is threadedly sleeved at the bottom of the threaded column.

[0014] Preferably, the limiting member comprises limiting blocks fixedly connected on the two sides of the connecting seat, and the inner walls of the two sides of the fixed box are provided with limiting grooves, and the limiting blocks are connected in the limiting grooves.

[0015] Preferably, the rotating assembly comprises a connecting column fixedly connected at the bottom end of the pushing plate, and the top of the connecting rod is provided with a connecting groove, and the connecting column is connected in the connecting groove.

[0016] Preferably, the inner wall of the bottom end of the connecting groove is provided with a positioning groove, the bottom end of the connecting column is fixedly connected with a positioning column, and the positioning column is connected in the positioning groove.

[0017] The technical effects and advantages of the utility model are as follows:

[0018] The utility model discloses a pushing plate, connecting rod, pushing part, fixed assembly and rotating assembly's design, when using, after the object is inserted in the inside of nut, and make the thread on the object and the connecting thread on the nut body interlock, through the pushing part drive pushing plate to the one side of object and push, thereby make the pressure of the connecting place of two thread connections and increase the friction between two threads, reduce the condition of the nut body and object separation. ACCURATE DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0020] Figure 2 It is the front structure schematic diagram of the utility model.

[0021] Figure 3 It is the front sectional structure schematic diagram of the utility model.

[0022] Figure 4 It is the utility model Figure 3 It is the enlarged structure schematic diagram of A part of the utility model.

[0023] In the drawing: 1, nut body;101, guide hole;102, connecting ring;103, connecting thread;2, pushing assembly;201, pushing plate;202, connecting rod;203, connecting seat;204, elastic block;3, fixed assembly;301, threaded cylinder;302, threaded column;303, fixed box;4, limiting member;401, limiting block;402, limiting groove;5, rotating assembly;501, connecting groove;502, connecting column;503, positioning groove;504, positioning column. SPECIFIC IMPLEMENTATION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] The utility model provides a Figures 1-4 As shown in:

[0026] Embodiment one

[0027] A high safety performance trailer hook nut, it is including:

[0028] Nut body 1, the bottom of nut body 1 is provided with connecting thread 103;

[0029] Pushing assembly 2, pushing assembly 2 includes the pushing plate 201 of being connected in the inside of connecting thread 103, the bottom of pushing plate 201 is provided with connecting rod 202, the bottom of connecting rod 202 is provided with pushing piece, and pushing piece is used to push connecting rod 202;

[0030] Fixed assembly 3, fixed assembly 3 is arranged at the bottom of nut body 1, and fixed assembly 3 is used to fix the position of pushing piece

[0031] Rotating assembly 5, rotating assembly 5 is arranged at the junction of pushing plate 201 and connecting rod 202.

[0032] It should be noted that, in use, when the object is inserted into the inside of nut body 1, and the thread on the object is engaged with the connecting thread 103 on the nut body 1, the pushing plate 201 is pushed to one side of the object by the pushing piece, so that the pressure of the connecting part of the two threads is increased, thereby increasing the friction between the two threads and reducing the separation of the nut body 1 and the object.

[0033] Specifically, the top of nut body 1 is provided with a guide hole 101, and the top of nut body 1 is provided with a connecting ring 102.

[0034] It should be noted that the diameter of the guide hole 101 is greater than the diameter of the connecting thread 103, so that the object is inserted into the nut body 1, and the side of the guide hole 101 close to the connecting thread 103 is provided as an inclined surface for guiding the object into the connecting thread 103.

[0035] Specifically, the pushing piece includes a connecting seat 203 fixedly connected to the bottom end of the connecting rod 202, and the bottom end of the connecting seat 203 is fixedly connected with an elastic block 204.

[0036] It should be noted that the elastic block 204 is made of rubber material, so that the elastic block 204 can be deformed after being extruded; when the object is inserted into the inside of the nut body 1 and extrudes the push plate 201, the elastic block 204 will be deformed after being extruded, and when assembled in place, the restoring force generated by the elastic block 204 trying to restore the original shape will push the push plate 201 in the opposite direction, thereby exerting continuous radial pressure on the threaded contact surface.

[0037] Specifically, the fixing assembly 3 includes a fixing box 303 arranged at the bottom of the nut body 1, the elastic block 204 is fixedly connected to the inner wall at the bottom end of the fixing box 303, the connecting seat 203 is provided with a limiting piece 4 at the connecting part of the fixing box 303, the bottom end of the nut body 1 is fixedly connected with a threaded column 302, and the top end of the fixing box 303 is fixedly connected with a threaded cylinder 301, and the threaded cylinder 301 is threadedly sleeved at the bottom of the threaded column 302.

[0038] It should be noted that the outer wall of the threaded column 302 is provided with threads, and the middle part is provided with a through hole, so that the connecting rod 202 can pass through the through hole and pass through the threaded column 302; the threaded cylinder 301 arranged is a cylindrical body with a threaded hole in the middle, when it is necessary to fix the position of the fixing box 303, the threaded cylinder 301 at the top of the fixing box 303 is threadedly sleeved on the threaded column 302, and the position of the fixing box 303 is fixed by thread connection; the fixing box 303 arranged is a cylindrical body with a cylindrical groove at the top, which is formed by welding two semicircular cylindrical bodies, and the elastic block 204 is connected to the fixing box 303 by adhesion.

[0039] Specifically, the limiting piece 4 includes limiting blocks 401 fixedly connected symmetrically on both sides of the connecting seat 203, the inner walls on both sides of the fixing box 303 are provided with limiting grooves 402, and the limiting blocks 401 are connected in the limiting grooves 402.

[0040] It should be noted that the limiting grooves 402 are matched with the limiting blocks 401, so that the limiting blocks 401 can be inserted into the limiting grooves 402, and in use, the limiting blocks 401 can prevent the connecting seat 203 from shaking randomly in the fixing box 303, and when the connecting seat 203 moves, the limiting blocks 401 slide in the limiting grooves 402.

[0041] Embodiment two:

[0042] The rotating assembly 5 is applied to the trailer hook nut in embodiment one;

[0043] Specifically, the rotating assembly 5 comprises a connecting column 502 fixedly connected to the bottom end of the pushing plate 201, the top of the connecting rod 202 is provided with a connecting groove 501, the connecting column 502 is inserted into the connecting groove 501, the inner wall of the bottom end of the connecting groove 501 is provided with a positioning groove 503, the bottom end of the connecting column 502 is fixedly connected with a positioning column 504, and the positioning column 504 is inserted into the positioning groove 503.

[0044] It should be noted that the connecting groove 501, the connecting column 502, the positioning groove 503 and the positioning column 504 are all provided in a cylindrical shape, the connecting groove 501 is matched with the connecting column 502, the positioning groove 503 is matched with the positioning column 504, so that the connecting column 502 and the positioning column 504 can rotate in the connecting groove 501 and the positioning groove 503 respectively, and the diameter of the positioning column 504 is larger than that of the connecting groove 501, so that the positioning column 504 cannot move out of the positioning groove 503 through the connecting groove 501, thereby connecting the pushing plate 201 and the connecting rod 202 through the positioning column 504, and the pushing plate 201 can rotate on one side of the connecting rod 202 through the design of the cylindrical part, when the object rotates into the nut body 1 and the object is pressed by the pushing plate 201, the pushing plate 201 can rotate with the object.

[0045] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A high safety performance trailer hook nut, characterized in that, Include: Nut body (1), the bottom of the nut body (1) is provided with a connecting thread (103); Pushing assembly (2), the pushing assembly (2) includes a pushing plate (201) connected in the connecting thread (103), the bottom of the pushing plate (201) is provided with a connecting rod (202), the bottom of the connecting rod (202) is provided with a pushing piece, and the pushing piece is used for pushing the connecting rod (202); The fixing assembly (3) is arranged at the bottom of the nut body (1), and the fixing assembly (3) is used for fixing the position of the pushing piece; Rotary assembly (5), the rotary assembly (5) is arranged at the connecting place of the pushing plate (201) and the connecting rod (202).

2. The high safety performance trailer hook nut according to claim 1, characterized in that, The top of the nut body (1) is provided with a guide hole (101), and the top of the nut body (1) is provided with a connecting ring (102).

3. The high safety performance trailer hook nut of claim 1, wherein, The pushing piece includes a connecting seat (203) fixedly connected to the bottom end of the connecting rod (202), and the bottom end of the connecting seat (203) is fixedly connected with an elastic block (204).

4. The high safety performance trailer hook nut of claim 3, wherein, The fixing assembly (3) includes a fixing box (303) arranged at the bottom of the nut body (1), the elastic block (204) is fixedly connected to the inner wall at the bottom end of the fixing box (303), and the connecting seat (203) is provided with a limiting piece (4) at the connecting place of the fixing box (303).

5. The high safety performance trailer hook nut of claim 4, wherein, The bottom end of the nut body (1) is fixedly connected with a threaded column (302), the top end of the fixing box (303) is fixedly connected with a threaded cylinder (301), and the threaded cylinder (301) is threadedly sleeved at the bottom of the threaded column (302).

6. The high safety performance trailer hook nut of claim 5, wherein, The limiting piece (4) includes a limiting block (401) fixedly connected to both sides of the connecting seat (203), the inner wall of both sides of the fixing box (303) is provided with a limiting groove (402), and the limiting block (401) is connected in the limiting groove (402).

7. The high safety performance trailer hook nut of claim 1, wherein, The rotary assembly (5) includes a connecting column (502) fixedly connected to the bottom end of the pushing plate (201), the top of the connecting rod (202) is provided with a connecting groove (501), and the connecting column (502) is connected in the connecting groove (501).

8. The high safety performance trailer hook nut of claim 7, wherein, The inner wall of the bottom end of the connecting groove (501) is provided with a positioning groove (503), the bottom end of the connecting column (502) is fixedly connected with a positioning column (504), and the positioning column (504) is connected in the positioning groove (503).

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